package com.example.swagger.config;

import com.google.common.base.Predicates;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Contact;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;


@Configuration
@EnableSwagger2
public class SwaggerConfig {

    /**
     * swagger开关
     */
    @Value("${swagger.enable}")
    boolean enable;

    /**
     * swagger2的配置文件，这里可以配置swagger2的一些基本的内容，比如扫描的包等等
     */
    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2).enable(this.enable)
                .apiInfo(apiInfo()).select()
                //为当前包路径
//                .apis(RequestHandlerSelectors.withClassAnnotation(SwaggerExportClass.class)).paths(PathSelectors.any()).build();
                .apis(Predicates
                        .or(RequestHandlerSelectors.basePackage("com.example.swagger.controller")))
                .paths(PathSelectors.any()).build();
    }

    /**
     * 构建 api文档的详细信息函数,注意这里的注解引用的是哪个
     *
     * @return ApiInfo
     */
    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                //页面标题
                .title("Spring cloud 脚手架使用 Swagger2 构建RESTful API")
                //创建人
                .contact(new Contact("swagger-demo", "http://www.swagger-demo.com", "swagger-demo@test.com"))
                //版本号
                .version("1.0")
                //描述
                .description("api管理").build();
    }

}